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SESK: Stuff Everyone Should Know · sesk.info/hamg-no-phone-30m

On which of these bands is voice (phone) operation prohibited?

30 meters, which is limited to CW and digital.

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  1. 160 meters
  2. 30 meters ✔
  3. 12 meters

Why: The 30 meter band (around 10.1 MHz) allows only CW, RTTY and data modes. Voice and image are not allowed there, for any license class.

Huh, didn't know that: Image transmission is also prohibited on 30 meters.

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References

Answer: 30 meters. The 30 meter band (around 10.1 MHz) allows only CW, RTTY and data modes. Voice and image are not allowed there, for any license class.

  1. NCVEC 2023-2027 General Class Pool and Syllabus (6th Errata, Feb 4 2026) ncvec.org/downloads/General%20Class%20Pool%20and%20Syllabus%202023-2027%20Public%20Release%20with%206th%20Errata%20Feb%204%202026.pdf
    30 meters
    Checked 2026-10-10.
  2. NCVEC 2023-2027 General Class Pool and Syllabus (6th Errata, Feb 4 2026) ncvec.org/downloads/General%20Class%20Pool%20and%20Syllabus%202023-2027%20Public%20Release%20with%206th%20Errata%20Feb%204%202026.pdf
    On which of the following bands is image transmission prohibited?
    Checked 2026-10-10.

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